For Portland :
No gale warning.
The reliability of the situation is good.
Very cloudy skies to overcast. Risk of some spots of rain in the morning, possibility of showers in late afternoon. In the evening, very cloudy skies to overcast.
Light showers progressively becoming less frequent. W force 3 freshening force 5 in the middle of the day then force 4. Gusts reaching 25 knots in the middle of the day. Slight sea becoming moderate in the evening. Low, short swell from W then from ENE in the middle of the day. Good visibility becoming excellent in the middle of the day then poor.